1: (0 6 18)

(0)(1 17 9 7 5)(2 21 12 10 8)(3 6 19 18 4)(11 15 13)(14 20 16)

2: (2 21 12)

(0)(1 17 9 7 5)(2 10 8)(3 6 19 18 4)(11 15 13)(12)(14 20 16)(21)

3: (1 7 5)

(0)(1)(2 10 8)(3 6 19 18 4)(5)(7 17 9)(11 15 13)(12)(14 20 16)(21)

4: (3 6 19)

(0)(1)(2 10 8)(3 18 4)(5)(6)(7 17 9)(11 15 13)(12)(14 20 16)(19)(21)